body,p,nav,ul{
    margin: 0px;
    padding: 0px;
}
ul{
    list-style: none;
}
a{
    /*去掉下划线*/
    text-decoration: none;
}
body{
    overflow-x: hidden;
}

/*头部*/
header div{
    width: 1300px;
    margin: 0px auto;
    line-height: 0px;
}
header div span{
    color: grey;
    opacity: 0.6;
    line-height: 30px;
    
}
header div span:nth-child(1){
    margin-left: 100px;
}
header div span:nth-child(2){
    margin-left: 640px;
}
header div img{
    margin-left: 100px;
    margin-top: 20px;
}
.zixun{
    color: black;
    position: relative;
    left: 350px;
    bottom: 25px;
}
header div span:nth-child(5){
    font-size: 35px;
    color: #B90103;
}
nav{
    width: 100%;
    height: 50px;
    background-color: #02BDCE;
}
nav ul{
    width: 1300px;
    height: 50px;
    margin: 0px auto;
    line-height: 50px;
}
nav ul li{
    float: left;
    position: relative;
    left: 50px;
    margin-left: 60px;
}
nav ul li a{
    color: white;
}
nav ul li a:hover{
    background-color: white;
    color: black;
    padding: 16px 30px 16px;
}
.banner{
    width: 2000px;
    height: 500px;
    background-image: url(images/banner1.jpg);
    background-size: 128% 130%;
    background-position: -365px -70px;
}
main{
    width: 1300px;
    margin: 0px auto;
}
.gonggao{
    position: relative;
    bottom:35px;
}
.top-left{
    width: 420px;
    height: 170px;
    float: left;
}
.top-left img{
    margin-top: -5px;
}
.top-left p{
    font-size: 14px;
    line-height: 30px;
    text-indent: 2em;
}
.top-right{
    width: 700px;
    float: right;
    margin-top: 10px;
    margin-right: 60px;
}
.top-right ul li{
    line-height: 40px;
    border-bottom: 1px dashed gray;
}
.top-right ul li a{
    margin-left: 5px;
    color: black;
}
.top-right ul li a span{
    float: right;
}
.top-right p{
    margin-top: 15px;
    float: right;
}
.neizhong{
    width: 1903px;
    height: 395px;
    background-color: #F7F7F7;
    margin-top: 50px;
}
.zhongzuo{
    width: 1200px;
    margin: 0px auto;
    position: relative;
}
.liucheng{
    position: relative;
    top: 30px;
    left: 30px;
    line-height: 30px;
}
.tu1{
    position: absolute;
    top: 70px;
    left: 380px;
}
.liucheng span:nth-child(1){
    font-size: 26px;
    color: red;
    margin-right: 10px;
}
.liucheng span:nth-child(2){
    font-size: 20px;
    color: darkgray;
}
.liucheng p:nth-child(3){
    margin-top: 20px;
}
.liucheng .si{
    color: darkgray;
}
.zhong{
    position: absolute;
    top: 25px;
    left: 480px;
    line-height: 40px;
}
.zhong span:nth-child(1){
    font-size: 26px;
    color: red;
    margin-right: 10px;
}
.zhong span:nth-child(2){
    font-size: 20px;
    color: darkgray;
}
.zhong p:nth-child(3){
    margin-top: 20px;
}
.tu2{
    position: absolute;
    top: 70px;
    left: 780px;
}
.zhongright{
    position: absolute;
    top: 25px;
    left: 890px;
    line-height: 40px;
}
.zhongright span:nth-child(1){
    font-size: 26px;
    color: red;
    margin-right: 10px;
}
.zhongright span:nth-child(2){
    font-size: 20px;
    color: darkgray;
}
.zhongright p:nth-child(3){
    margin-top: 20px;
}
.bottom{
    width: 1300px;
    margin: 0px auto;
}
.bottom .one{
    width: 300px;
    margin: 40px auto;
}
.bottom .one span:nth-child(1){
    font-size: 26px;
    color: red;
    margin-right: 10px;
}
.bottom .one span:nth-child(2){
    font-size: 20px;
    color: darkgray;
}
.bottom .two{
    width: 1000px;
    margin:0px auto; 
}
.two img{
    margin-right: 20px;
}
.jiewei{
    width: 1903px;
    height: 400px;
    margin-top: 50px;
    background-color: #F7F7F7;
}
.jiewei-top div{
    float: left;
    margin-top: 50px;
    line-height: 45px;
}
.jiewei-top{
    width:1000px;
    margin: 50px auto;
}

.jiewei-top div:nth-child(2){
    position: absolute;
    left: 587px;
}
.jiewei-top div:nth-child(3){
    position: absolute;
    right: 995px;
}
.jiewei-top div:nth-child(4){
    position: absolute;
    right: 481px;
}
.jiewei-top div ul li:nth-child(1){
    font-size: 20px;
}
.jiewei-top div ul .a{
    padding-left: 10px;
    background-image: url(images/tt.jpg);
    background-repeat: no-repeat;
    background-position: 0px 20px;
}
.b{
    width: 1903px;
    background-color: #F7F7F7;
}
.b div{
    width: 500px;
    margin: 0px auto;
}
.b div img:nth-child(1){
    margin-right: 200px;
}
footer{
    width: 1903px;
    background-color: #CFCFCF;
}
footer div{
    width: 700px;
    margin: 0px auto;
}
footer div p{
    text-align: center;
    line-height: 70px;
}